National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Partly Cloudy

78°F

26°C

Humidity 35%
Wind Speed SE 17 mph
Barometer 30.32 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Jul 5:55 pm MDT
Extended Forecast for

2 Miles W Devils Thumb Park CO

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 48. Southeast wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 82 °F

    Mostly Sunny
    then T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 48. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 50.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Devils Thumb Park CO
 39.97°N 105.79°W (Elev. 8596 ft)
Last Update:
12:46 pm MDT Jul 28, 2026
Forecast Valid:
6pm MDT Jul 28, 2026-6pm MDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation